Serenade in D,K250 'Haffner' serenade no.7 in d,k.250 'haffner' Serenade in D major k 250 "haffner" serenade no.7 in d major,k.250 'haffner' Serenade in D,K 250,248b 'Haffner' 5-12. Serenade in D, KV 250 Haffner Serenade No.7 In D,K.250 'Haffner' serenade in e major Serenade No.7 in D major,K.250 'Haffner' serenade in b & e flat